Home / 21,331,106.77-29,436,717.77-11,541,336.15

Finding the Fourth Proportional to 21,331,106.77, 29,436,717.77 and 11,541,336.15

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Solution

The fourth proportional to 21,331,106.77, 29,436,717.77 and 11,541,336.15 is: 15,926,930.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,331,106.77 : 29,436,717.77 = 11,541,336.15 : x
  2. Step 2: Convert to fraction form
    21,331,106.77/29,436,717.77 = 11,541,336.15/x
  3. Step 3: Cross multiply
    21,331,106.77x = 29,436,717.77 × 11,541,336.15
  4. Step 4: Simplify right side
    21,331,106.77x = 339,739,054,875,550.12
  5. Step 5: Solve for x
    x = 339,739,054,875,550.12/21,331,106.77
  6. Step 6: Final answer
    x = 15,926,930.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.